'宣言 Public Function New( _ ByVal list As IEnumerable, _ ByVal keyFields As Dictionary(Of String,String), _ ByVal parentNode As WHDGListNode, _ ByVal itemTypeCache As Dictionary(Of Object,String) _ )
public WHDGListHierarchicalEnumerable( IEnumerable list, Dictionary<string,string> keyFields, WHDGListNode parentNode, Dictionary<object,string> itemTypeCache )